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Limiting Amplifiers
0.5 GHz to 18 GHz
Special Purpose Amplifiers



    • Frequency Coverage from 0.5 to 18 GHz
    • MIC Thin-Film Design for High Reliability
    • Low AM to PM Conversion
    • Fast Pulse Response
    • Custom Designs

Limiting Amplifiers 0.5 GHz to 18 GHz Special Purpose Amplifiers
Limiting amplifiers operate in the saturated region of their transfer function, thereby, minimizing output power variations and providing constant output over a wide input dynamic range. They are especially effective at minimizing the harmonic content of output power under limiting conditions and reproducing pulsed input signals with high fidelity by minimizing overshoot and recovery times.

Limiting amplifiers are useful in applications, which require tightly controlled power delivered over a wide range of input drive or over wide frequency ranges or even wide temperature ranges.

Typical applications include:
• Local oscillator networks
• Microwave phase/frequency discriminators
• Protecting circuitry from overdrive damage
• Removing amplification modulation from FM signals


Frequency
Response		 Gain Gain
Flatness		 Noise
Figure		 Psat
VSWR Volts DC Current Case
MODEL NUMBER (GHz) (dB) (±dB) (dB) (±dBm) In/Out (DC) (mA)  
  Min Min Max Max Min~Max Max Typ Typ  
LSM/020-1630 0.5-2.0 30 1.25 7.0 16~20 2.0:1 12 180 HC2
LSM/020-1640 0.5-2.0 40 1.50 6.0 16~20 2.0:1 12 300 HC4
LSM/020-1670 0.5-2.0 70 2.00 7.0 16~20 2.0:1 12 500 HC4/HC4
LSO/040-1640 2.0-4.0 40 1.50 3.5 16~20 2.0:1 12 320 HC4
LSM/060-1627 2.0-6.0 27 1.50 7.0 16~20 2.0:1 12 240 HC2
LSM/060-1635 2.0-6.0 35 1.50 6.0 16~20 2.0:1 12 320 HC2
LSM/060-1660 2.0-6.0 60 2.00 7.0 16~20 2.0:1 12 560 HC2/HC2
LSM/080-1635 2.0-8.0 35 1.50 4.0 16~20 2.0:1 12 320 HC4
LSM/1080-1627 2.0-8.0 27 1.50 6.0 16~20 2.0:1 12 240 HC2
LSX/0218-1730 2.0-18.0 30 2.00 7.5 17~21 2.0:1 12 500 HC4
LSX/0218-1740 2.0-18.0 40 2.00 7.5 17~21 2.0:1 12 600 HX6
LSX/0218-1770 2.0-18.0 70 3.50 7.5 17~21 2.0:1 12 1200 HC4/HX6
LSO/080-1735 4.0-8.0 35 1.50 4.5 17~21 2.0:1 12 320 HC4
LSM/180-1435 6.0-18.0 35 1.50 7.5 14~18 2.0:1 12 450 HC4
LSM/180-1445 6.0-18.0 45 2.25 7.5 14~18 2.0:1 12 520 HX6
LSM/180-1480 6.0-18.0 80 3.50 7.5 14~18 2.0:1 12 960 HC4/HX6
Comments:

1. Harmonics: -10 dBc typical at the input power up to +10 dBm.
2. Pulse response: Overshoot: 0.5 dB, max
Recovery time:
Settling time:
Rise time: 		50 ns, max
25 ns, max
20 ns, max
3. Temperature compensation, signal suppression and phase matching are optional.
4. All units contain built-in voltage regulator and reverse voltage protection diode.
5. Performance of all Limiting Amplifiers are application specific. Consult the factory with your requirements.